1,Good effect 2,Melleable iron 3,Simple and reliable structure 4,Long service time 5,ISO certificate UT Wedge Clamps with CE certificate (Non ... .61NU-313~1474222903001434.21NU-415~1682243403001647.27Note: The body and wedge are made of mallable iron,the cotter-pin is made ... fittings,ground clamp ,transformers,safety helmet and so on. UT Wedge Clamps with CE certificate (Non-adjustable Type)